What is the weather like in Foz do Iguaçu vs Porto Alegre in September?

In September, Foz do Iguaçu averages 30°C high / 17°C low with about 92 mm of rain; Porto Alegre averages 23°C high / 14°C low with about 171 mm.

Foz do Iguaçu vs Porto Alegre in September

Porto Alegre is the better pick in September — 81 vs 75 on SeasonMap's comfort score. Porto Alegre is nice, soaked, muggy air, while Foz do Iguaçu is hot, rainy.

Foz do Iguaçu vs Porto Alegre — September climate, side by side

	🇧🇷 Foz do Iguaçu	🇧🇷 Porto Alegre
Comfort score	75/100 (B)	81/100 (A)
Feels-like high	32°C	23°C
Avg high / low	30° / 17°	23° / 14°
Rainfall	92 mm	171 mm
Rainy days	8	11
Humidity	69%	80%
Air quality (AQI)	57	52

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Foz do Iguaçu vs Porto Alegre in September — FAQ

Is September better in Foz do Iguaçu or Porto Alegre?: Porto Alegre is the better pick in September — 81 vs 75 on SeasonMap's comfort score. Porto Alegre is nice, soaked, muggy air, while Foz do Iguaçu is hot, rainy.
What is the weather like in Foz do Iguaçu vs Porto Alegre in September?: In September, Foz do Iguaçu averages 30°C high / 17°C low with about 92 mm of rain; Porto Alegre averages 23°C high / 14°C low with about 171 mm.